Giúp tớ b5 với ạ, giải chi tiết hộ t với

Cho 1,5g hỗn hợp Al, Ag vào dd HCl dư thu được 1,344 lít khí(đktc) a) Viết phương trình phản ứng xảy ra b) Tính phần trăm khối lượng mỗi kim loại

Điền giới từ thích hợp 1. The students are waiting …………… their teachers …………… over there

Hãy sưu tầm 3 ví dụ về sự giản dị của Bác trong thơ văn và trong đời sống.(câu ngắn gọn thôi nhé)

Bài 1.Một cửa hàng trong một ngày:Buổi sáng bán bằng 5/3 buổi chiều và buổi chiều bán ít hơn buổi sáng là 2 tạ rưỡi gạo.Hỏi: a)Mỗi buổi bán bao nhiêu ki-lô-gam gạo? b)Buổi chiều bán bằng bao nhiêu phần trăm số gạo bán cả ngày?

Nhà bạn An vừa mới mua một mảnh đất ở huyện Củ Chi. Ba bạn An muốn dành một phần để làm một vườn hoa với kích thước 5mx16m. Tuy nhiên mẹ An lại nói vườn hoa như vậy thì vẫn còn quá rộng nên đề nghị giảm chiều dài và chiều rộng một lượng là x. Ba An nói nếu giảm thì diện tích khu vườn chỉ giảm 20m2 so với ban đầu thôi. An đã có cách tìm ra x để giúp mẹ có thể giảm đúng yêu cầu của ba An. Các bạn hãy trình bày cách tìm của An nhé.

một ng đi xe máy từ A đến B . Vì công việc gấp phải đến B trước thời gian dự định 45p nên ng đó tăng vận tốc lên mỗi h 10km tính vận tốc mà ng đó dự định đi bt quãng đường AB dài 90km

Exercise 4. Fill each blank with a word/ phrase in the box. twice jogging doing aerobics badminton sports swimming gym games racing 1. Which……..................do you often play at the weekends? 2. My brother plays soccer…...........…..a week. He does it on Saturday and Sunday. 3. How often do you go………........................? – Every morning. 4. My friend loves to swim. He goes…..............……. Every Sunday. 5. What do you like……..................... best in your free time? 6. I like to watch motor………................... on TV. It’s really exciting. 7. Why does your brother like going to the…....................…..? – Because it is great. 8. Last weekend I played…….....................….with Mai and we had a very good time. 9. Many girls in my class like doing…….......................… to keep fit. 10. In Viet Nam, we play different……....................… during the break time. Exercise 5. Read the following passage and answer the questions: There are two main kinds of sports: team sports and individual sports. Team sports are such sports as baseball, basketball and volleyball. Team sports require two separate teams. The teams play against each other. They compete against each other in order to get the best score. For example, in a football game, if team A scores 4 goals and team B scores 3 goals, team A wins the game. Team sports are sometimes called competitive sports. 1. How many main kinds of sports are there in the world? ______________________________________________________________________________ 2. Can you name some team sports? ______________________________________________________________________________ 3. How many teams do team sports require? ______________________________________________________________________________ 4. Why do two separate teams compete against each other? ______________________________________________________________________________ 5. What are team sports sometimes called? ______________________________________________________________________________ Exercise 6. Make sentences/ questions using the words and phrases given. 1. What/ time/ you/ go/ gym/ yesterday/ ? ______________________________________________________________________________ 2. My/ brother/ favourite/ sport/ volleyball/. ______________________________________________________________________________ 3. You/ play/ blind man’s bluff/ when/ you/ young/ ? ______________________________________________________________________________ 4. I/ more/ interested/ in/ football/ than/ table tennis/. ______________________________________________________________________________ 5. Our team/ win/ match/ last Saturday/. ______________________________________________________________________________ Exercise 7.Complete each sentence so it means the same as the sentence above. 1. My father’s favourite sport is tennis. My father likes__________________________________________________________________ 2. My mother is a fast swimmer. My mother swims______________________________________________________________ 3. Lien doesn’t like doing sport very much.  Lien isn’t very________________________________________________________________ 4. Minh plays football very well.  Minh is very good_____________________________________________________________ 5. We do a lot of outdoor activities in summer. We take part in________________________________________________________________

C. Write the second sentences so that it has the same meaning to the first one 1. Your car is more expensive than mine. My car ______________________________________ 2. The Sahara Desert is hotter than any other deserts in the world. The Sahara is _____________________________________ 3. Is this bag bigger than those ones? Are __________________________________________ 4. No one in the office is cleverer than Mr. Edward. Mr. Edward ______________________________________ 5. Her exam results are worse than her sister's. Her sister’s results _______________________________________ Day 3 (Wednesday): Modal verbs A. Complete the sentences with must or mustn't. 1. You _________ look after the house when your parents are awaff 2. You ________ wash your face in the morning. 3. You ________ take your umbrella because it’s raining. 4.You ________ drink that milk, it’s very hot. 5. You _______ make noise in the class. 6.Students .................. talk in the library. 7.Look! There is an intersection ahead. You .............. slow down. 8.The sign says ‘No swimming'. We .................... swim here. 9.We ....................... hurry or we will be late. 10.The road is very wet and slippery. Drivers ..................... be careful. B. Complete the sentences with should or shouldn’t 1. A: I don’t feel very well. B: You_____________ go to bed early. 2. A: We are bored. B: You________________ watch so much television. 3. A: I got a bad mark in my Science test. B: You________________ study more. 4. A: I’m going to live in China for two years. B: You_______________ learn more some Chinese. 5. A: I don’t have any money. B: You__________________ buy so many DVDs. 6. A: I can’t fall asleep at night. B: You__________________ drink so much coffee. 7. A: I don’t understand my Math homework. B: You_____________ ask your teacher to explain it again. 8. A: There’s a new girl at school call Susan. B: You_______________ invite her to our class.

mn giúp em với ạ Exercise 1. Find the word which has a different stress pattern. Read the words aloud. 1. A. badminton B. always C. volleyball D. aerobics 2. A. karate B. swimming C. running D. tennis 3. A. equipment B. skateboard C. favourite D. racket 4. A. stadium B. football C. sailing D. event 5. A. popular B. sportsman C. competition D. marathon Exercise 2. Put the words in the box into two groups. spare hear dear dare really aerobics where beer care clear /eə/ /iə/ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ Exercise 3. Put the verbs into the correct tenses to finish the following passage. Pelé (1. be)….............…..born on October 21st, 1940 in the countryside of Brazil. His father was professional football player and (2. teach) …...............…… Pelé how to play at a very young age. Pelé (3. begin)……...............…his career at the age of 15 when he (4. start)……................…playing for Santos Football Club. In 1958, at the age of 17, Pelé (5. win)…..............……his first World Cup. It was the first time the World Cup (6. be) ……...............…shown on TV. People around the world (7. watch) ……............…. Pelé play and (8. cheer) …......................….. Pelé won three World Cup and (9.score)….....................…..1,281 goals in his 22 year-career. During his career, he (10. become) ……................… well-known around the world as “The King of Football”.